Female Vocaloid Appearance: Dark blue twin-tails with the left side cracked. Aside from her exhausted, madness-filled eyes, she looks the same as Miku before the corruption. The simultaneous shock of her failure and the truth of her identity caused her to darken into a supernatural being called 'Diva'. Extremely powerful. Weapon: Battle axe.

Female Vocaloid Appearance: Vivid pink drill-hair. One eye is burnt, and there are tentacle-like appendages near her(?). A survivor of Diva's assault. During a violent struggle with Diva, her neck was broken, and half of her body was horribly burned by faulty wiring on the floor. She is currently trying to stop Diva. She is also strong.

Currently Codeless Female Vocaloid Diva's first victim. She cared for Miku like a real sister, but once Haku's popularity surpassed Miku's, Diva tore her throat out, resulting in the horrific tragedy of losing her voice. She has now been reduced to an undead servant who wanders near Miku, having lost her self-awareness.

Female Vocaloid Due to a speech impediment, she was in charge of composing and producing. After being killed by Diva, her voice became severely distorted, outputting only as noise. Only Diva can understand her.

Female Vocaloid She was the team leader at the Triple Baka company. As the Vocaloid disappearances continued, she steeled herself to conduct a search. She was eventually caught, and Diva impaled a massive CCTV camera into her head.

Female Vocaloid Ghoul's (Teto's) apprentice. She is in danger of falling into a trap set by Diva. She is a key figure attempting to expose the truth about Diva to the world based on clues left by Ghoul.